(syms_of_ntproc) <w32-get-true-file-attributes>: Doc fix.

[bpt/emacs.git] / src / w32xfns.c

diff --git a/src/w32xfns.c b/src/w32xfns.c
index 887320a..7f50ab5 100644 (file)
--- a/src/w32xfns.c
+++ b/src/w32xfns.c
@@ -1,11 +1,12 @@
 /* Functions taken directly from X sources for use with the Microsoft W32 API.
-   Copyright (C) 1989, 1992, 1993, 1994, 1995, 1999 Free Software Foundation.
+   Copyright (C) 1989, 1992, 1993, 1994, 1995, 1999, 2001, 2002, 2003,
+                 2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
 GNU Emacs is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
 any later version.
 
 GNU Emacs is distributed in the hope that it will be useful,
@@ -15,8 +16,8 @@ GNU General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with GNU Emacs; see the file COPYING.  If not, write to
-the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA.  */
 
 #include <config.h>
 #include <signal.h>
@@ -191,6 +192,47 @@ get_next_msg (lpmsg, bWait)
       }
 
       nQueue--;
+      /* Consolidate WM_PAINT messages to optimise redrawing.  */
+      if (lpmsg->msg.message == WM_PAINT && nQueue)
+        {
+          int_msg * lpCur = lpHead;
+          int_msg * lpPrev = NULL;
+          int_msg * lpNext = NULL;
+
+          while (lpCur && nQueue)
+            {
+              lpNext = lpCur->lpNext;
+              if (lpCur->w32msg.msg.message == WM_PAINT)
+                {
+                  /* Remove this message from the queue.  */
+                  if (lpPrev)
+                    lpPrev->lpNext = lpNext;
+                  else
+                    lpHead = lpNext;
+
+                  if (lpCur == lpTail)
+                    lpTail = lpPrev;
+
+                  /* Adjust clip rectangle to cover both.  */
+                  if (!UnionRect (&(lpmsg->rect), &(lpmsg->rect),
+                                  &(lpCur->w32msg.rect)))
+                    {
+                      SetRectEmpty(&(lpmsg->rect));
+                    }
+
+                  myfree (lpCur);
+
+                  nQueue--;
+
+                  lpCur = lpNext;
+                }
+              else
+                {
+                  lpPrev = lpCur;
+                  lpCur = lpNext;
+                }
+            }
+        }
 
       bRet = TRUE;
     }
@@ -409,3 +451,6 @@ x_sync (f)
      void *f;
 {
 }
+
+/* arch-tag: 4fab3695-4ad3-4cc6-a2b1-fd2c67dc46be
+   (do not change this comment) */